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參數(shù)資料
| 型號(hào)： | R8820LV |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 16-BIT RISC MICROCONTROLLER |
| 中文描述： | 16位RISC微控制器 |
| 文件頁(yè)數(shù)： | 18/98頁(yè) |
| 文件大?。?/td> | 1000K |
| 代理商： | R8820LV |
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R DC
7. Execution Unit
7.1 General Register
RISC DSP Controller
R8820LV
RDC Semiconductor Co.
Rev:1.0
Subject to change without notice
18
The R8820LV has eight 16-bit general registers. And the AX,BX,CX,DX can be subdivided into two 8-bit register
(AH,AL,BH,
BL,CH,CL,DH,DL). The functions of these registers are described as follows.
AX
: Word Divide , Word Multiply, Word I/O operation.
AH
: Byte Divide , Byte Multiply, Byte I/O , Decimal Arithmetic, Translate operation.
AL
: Byte Divide , Byte Multiply operation.
BX
: Translate operation.
CX
: Loops, String operation
CL
: Variable Shift and Rotate operation.
DX
: Word Divide , Word Multiply, Indirect I/O operation
SP
: Stack operations (POP, POPA, POPF, PUSH, PUSHA, PUSHF)
BP
: General-purpose register which can be used to determine offset address of operands in Memory.
SI
: String operations
DI
: String operations
7.2 Segment Register
R8820LV has four 16-bit segment registers, CS, DS, SS, ES. The segment registers contain the base addresses (starting
location) of these memory segments, and they are immediately addressable for code (CS), data (DS & ES), and stack (SS)
memory.
Accumulator
Base Register
Count/Loop/Repeat/Shift
Data
Stack Pointer
Destination Index
Base Pointer
Source Index
AX
BX
CX
DX
Data
Group
Index Group
and
Pointer
GENERAL REGISTERS
AH
BH
CH
DH
AL
BL
CL
DL
SP
BP
SI
DI
0
7
8
15
High
Low
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R8821 | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
| R8822 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:RDC 16 Bit RISC MICRO-CONTROLLER |
| R8822I | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
| R8830 | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
| R8830I | 制造商:RDC 制造商全稱:RDC 功能描述:16-BIT RISC MICROCONTROLLER |
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